CVE-2026-59854: siyuan < 3.7.1

CVE-2026-59854. CVSS 3.1 base score 4.9 (MEDIUM, Vendor/CNA). EPSS 0.00485 (percentile 0.40862), scored 24-Oct-2026.

Affected technology

siyuan · < 3.7.1
siyuan-note

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · High privileges required · No user interaction required

What an attacker can do

An authenticated administrator or API-token user can copy those files into the workspace and exfiltrate them through the file API. Vendor/CNA’s CVSS 3.1 assessment (base score 4.9/10) rates confidentiality impact as high; integrity and availability impact as none.

Published 25-Oct-2026 19:52 UTC

CWE: CWE-693
CCR priority: 19.7 /100 (P5)
CVSS 3.1: 4.9 /10 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N · Vendor/CNA
EPSS: 0.00485 · percentile 0.41458 · 2026-10-25
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-59854.html